[INFO] cloning repository https://github.com/lundybernard/rust-python-interoperability
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lundybernard/rust-python-interoperability" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flundybernard%2Frust-python-interoperability", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flundybernard%2Frust-python-interoperability'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35577826f1b94e9ef6d9cba76ae67e71a78064a4
[INFO] testing lundybernard/rust-python-interoperability against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flundybernard%2Frust-python-interoperability" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lundybernard/rust-python-interoperability
[INFO] finished tweaking git repo https://github.com/lundybernard/rust-python-interoperability
[INFO] tweaked toml for git repo https://github.com/lundybernard/rust-python-interoperability written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lundybernard/rust-python-interoperability on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lundybernard/rust-python-interoperability already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a79f6cc04c25d364207f551fd055db94f6b0320e54f83569c79a25041783ef4c
[INFO] running `Command { std: "docker" "start" "-a" "a79f6cc04c25d364207f551fd055db94f6b0320e54f83569c79a25041783ef4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a79f6cc04c25d364207f551fd055db94f6b0320e54f83569c79a25041783ef4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79f6cc04c25d364207f551fd055db94f6b0320e54f83569c79a25041783ef4c", kill_on_drop: false }`
[INFO] [stdout] a79f6cc04c25d364207f551fd055db94f6b0320e54f83569c79a25041783ef4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 296f93e7c1741b7771565408de5ba59a3101dc7a8138a2e210ddfb195dfe866f
[INFO] running `Command { std: "docker" "start" "-a" "296f93e7c1741b7771565408de5ba59a3101dc7a8138a2e210ddfb195dfe866f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling phf_generator v0.11.3
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[INFO] [stderr]    Compiling phf_macros v0.11.3
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[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
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[INFO] [stderr]    Compiling selectors v0.26.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling cssparser v0.34.0
[INFO] [stderr]    Compiling pyo3-macros v0.23.4
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling scraper v0.22.0
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling pyclass v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/00_pyclass)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/00_pyclass/src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn pyclass(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling outro1 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/08_outro)
[INFO] [stderr]    Compiling arguments v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/04_arguments)
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling ureq v2.12.1
[INFO] [stderr]    Compiling immutable v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/05_immutable_types)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let area: u32 = todo!();
[INFO] [stdout]    |                         ------- any code following this expression is unreachable
[INFO] [stdout] 29 |         area
[INFO] [stdout]    |         ^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn compute_area<'py>(python: Python<'py>, shape: Bound<'py, Rectangle>) -> u32 {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `area`
[INFO] [stdout]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let area: u32 = todo!();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_area`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `length` are never read
[INFO] [stdout]  --> exercises/03_concurrency/05_immutable_types/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Rectangle {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 5 |     width: u32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     length: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exceptions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/07_exceptions)
[INFO] [stderr]    Compiling constructors v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/01_constructors)
[INFO] [stderr]    Compiling gil v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/05_gil)
[INFO] [stderr]    Compiling setters v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/03_setters)
[INFO] [stderr]    Compiling methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/02_methods)
[INFO] [stdout] warning: fields `name` and `price` are never read
[INFO] [stdout]  --> exercises/02_classes/03_setters/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Item {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     price: u64,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling release v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/03_releasing_the_gil)
[INFO] [stderr]    Compiling modules v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/02_modules)
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]  --> exercises/02_classes/02_methods/src/lib.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pyo3::types::PyLong;
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]   --> exercises/02_classes/02_methods/src/lib.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]   --> exercises/02_classes/02_methods/src/lib.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stdout]    |                                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/03_functions)
[INFO] [stderr]    Compiling parent v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/06_parent)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> exercises/01_intro/03_functions/src/lib.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn functions(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling static_methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/04_static_methods)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> exercises/02_classes/06_parent/src/lib.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parent(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gil2 v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/02_gil)
[INFO] [stderr]    Compiling output v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/06_output)
[INFO] [stderr]    Compiling setup v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_setup)
[INFO] [stderr]    Compiling outro2 v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/07_outro)
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> exercises/03_concurrency/02_gil/src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let text = text.to_str()?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_count_chunk` is never used
[INFO] [stdout]   --> exercises/03_concurrency/02_gil/src/lib.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn word_count_chunk(chunk: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_into_chunks` is never used
[INFO] [stdout]   --> exercises/03_concurrency/02_gil/src/lib.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn split_into_chunks(text: &str, n: usize) -> Vec<&str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/07_outro/src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn outro2(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minimize v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/04_minimize_gil_locking)
[INFO] [stderr]    Compiling inheritance v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/05_inheritance)
[INFO] [stdout] warning: unused variable: `python`
[INFO] [stdout]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     python: Python<'python>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_python`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     numbers: Bound<'python, PyList>,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/05_inheritance/src/lib.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn inheritance(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling outro3 v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/06_outro)
[INFO] [stdout] warning: unused variable: `start_from`
[INFO] [stdout]   --> exercises/03_concurrency/06_outro/src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn site_map(start_from: String, site_map: Bound<'_, PySet>) {
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `site_map`
[INFO] [stdout]   --> exercises/03_concurrency/06_outro/src/lib.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn site_map(start_from: String, site_map: Bound<'_, PySet>) {
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_site_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 27s
[INFO] running `Command { std: "docker" "inspect" "296f93e7c1741b7771565408de5ba59a3101dc7a8138a2e210ddfb195dfe866f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296f93e7c1741b7771565408de5ba59a3101dc7a8138a2e210ddfb195dfe866f", kill_on_drop: false }`
[INFO] [stdout] 296f93e7c1741b7771565408de5ba59a3101dc7a8138a2e210ddfb195dfe866f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612d0c0a9bd1d0852855c3ca07ad236e070f89236078ab81d693cb49a28a3b20
[INFO] running `Command { std: "docker" "start" "-a" "612d0c0a9bd1d0852855c3ca07ad236e070f89236078ab81d693cb49a28a3b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling constructors v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/01_constructors)
[INFO] [stderr]    Compiling verifier v0.1.0 (/opt/rustwide/workdir/verifier)
[INFO] [stderr]    Compiling outro3 v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/06_outro)
[INFO] [stderr]    Compiling output v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/06_output)
[INFO] [stderr]    Compiling inheritance v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/05_inheritance)
[INFO] [stderr]    Compiling static_methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/04_static_methods)
[INFO] [stderr]    Compiling minimize v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/04_minimize_gil_locking)
[INFO] [stderr]    Compiling methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/02_methods)
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]  --> exercises/02_classes/02_methods/src/lib.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pyo3::types::PyLong;
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]   --> exercises/02_classes/02_methods/src/lib.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stdout]   --> exercises/02_classes/02_methods/src/lib.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stdout]    |                                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_from`
[INFO] [stdout]   --> exercises/03_concurrency/06_outro/src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn site_map(start_from: String, site_map: Bound<'_, PySet>) {
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `site_map`
[INFO] [stdout]   --> exercises/03_concurrency/06_outro/src/lib.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn site_map(start_from: String, site_map: Bound<'_, PySet>) {
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_site_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/05_inheritance/src/lib.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn inheritance(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `python`
[INFO] [stdout]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     python: Python<'python>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_python`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     numbers: Bound<'python, PyList>,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/03_functions)
[INFO] [stderr]    Compiling setup v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_setup)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> exercises/01_intro/03_functions/src/lib.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn functions(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gil v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/05_gil)
[INFO] [stderr]    Compiling pyclass v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/00_pyclass)
[INFO] [stderr]    Compiling setters v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/03_setters)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/00_pyclass/src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn pyclass(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling immutable v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/05_immutable_types)
[INFO] [stderr]    Compiling arguments v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/04_arguments)
[INFO] [stderr]    Compiling outro2 v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/07_outro)
[INFO] [stdout] warning: fields `name` and `price` are never read
[INFO] [stdout]  --> exercises/02_classes/03_setters/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Item {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     price: u64,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/07_outro/src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn outro2(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let area: u32 = todo!();
[INFO] [stdout]    |                         ------- any code following this expression is unreachable
[INFO] [stdout] 29 |         area
[INFO] [stdout]    |         ^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn compute_area<'py>(python: Python<'py>, shape: Bound<'py, Rectangle>) -> u32 {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `area`
[INFO] [stdout]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let area: u32 = todo!();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_area`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `length` are never read
[INFO] [stdout]  --> exercises/03_concurrency/05_immutable_types/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Rectangle {
[INFO] [stdout]   |        --------- fields in this struct
[INFO] [stdout] 5 |     width: u32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     length: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling outro1 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/08_outro)
[INFO] [stderr]    Compiling exceptions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/07_exceptions)
[INFO] [stderr]    Compiling parent v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/06_parent)
[INFO] [stderr]    Compiling release v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/03_releasing_the_gil)
[INFO] [stderr]    Compiling modules v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/02_modules)
[INFO] [stderr]    Compiling gil2 v0.1.0 (/opt/rustwide/workdir/exercises/03_concurrency/02_gil)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> exercises/02_classes/06_parent/src/lib.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parent(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> exercises/03_concurrency/02_gil/src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let text = text.to_str()?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_count_chunk` is never used
[INFO] [stdout]   --> exercises/03_concurrency/02_gil/src/lib.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn word_count_chunk(chunk: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_into_chunks` is never used
[INFO] [stdout]   --> exercises/03_concurrency/02_gil/src/lib.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn split_into_chunks(text: &str, n: usize) -> Vec<&str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling welcome v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `Command { std: "docker" "inspect" "612d0c0a9bd1d0852855c3ca07ad236e070f89236078ab81d693cb49a28a3b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612d0c0a9bd1d0852855c3ca07ad236e070f89236078ab81d693cb49a28a3b20", kill_on_drop: false }`
[INFO] [stdout] 612d0c0a9bd1d0852855c3ca07ad236e070f89236078ab81d693cb49a28a3b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9de94ee37ab136bb33d7322b84442fe38d1d37bbddeb5bd322bc9f5f74bab91
[INFO] running `Command { std: "docker" "start" "-a" "c9de94ee37ab136bb33d7322b84442fe38d1d37bbddeb5bd322bc9f5f74bab91", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `python`
[INFO] [stderr]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     python: Python<'python>,
[INFO] [stderr]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_python`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `numbers`
[INFO] [stderr]   --> exercises/03_concurrency/04_minimize_gil_locking/src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     numbers: Bound<'python, PyList>,
[INFO] [stderr]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> exercises/02_classes/07_outro/src/lib.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn outro2(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stderr]    |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> exercises/03_concurrency/02_gil/src/lib.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let text = text.to_str()?;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `word_count_chunk` is never used
[INFO] [stderr]   --> exercises/03_concurrency/02_gil/src/lib.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn word_count_chunk(chunk: &str) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `split_into_chunks` is never used
[INFO] [stderr]   --> exercises/03_concurrency/02_gil/src/lib.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn split_into_chunks(text: &str, n: usize) -> Vec<&str> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `minimize` (lib test) generated 2 warnings
[INFO] [stderr] warning: `outro2` (lib test) generated 1 warning
[INFO] [stderr] warning: `gil2` (lib test) generated 3 warnings
[INFO] [stderr] warning: unused variable: `start_from`
[INFO] [stderr]   --> exercises/03_concurrency/06_outro/src/lib.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn site_map(start_from: String, site_map: Bound<'_, PySet>) {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_from`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `site_map`
[INFO] [stderr]   --> exercises/03_concurrency/06_outro/src/lib.rs:46:37
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn site_map(start_from: String, site_map: Bound<'_, PySet>) {
[INFO] [stderr]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_site_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]  --> exercises/01_intro/03_functions/src/lib.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn functions(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stderr]   |              ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stderr]  --> exercises/02_classes/02_methods/src/lib.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use pyo3::types::PyLong;
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stderr]   --> exercises/02_classes/02_methods/src/lib.rs:23:43
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stderr]    |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `pyo3::types::PyLong`: use `PyInt` instead
[INFO] [stderr]   --> exercises/02_classes/02_methods/src/lib.rs:23:72
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(name: String, price: Bound<'_, PyLong>, quantity: Bound<'_, PyLong>) -> PyResult<Self> {
[INFO] [stderr]    |                                                                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]  --> exercises/02_classes/06_parent/src/lib.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn parent(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stderr]   |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> exercises/02_classes/05_inheritance/src/lib.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn inheritance(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> exercises/02_classes/00_pyclass/src/lib.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn pyclass(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stderr]    |            ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `outro3` (lib test) generated 2 warnings
[INFO] [stderr] warning: `functions` (lib test) generated 1 warning
[INFO] [stderr] warning: `methods` (lib test) generated 3 warnings
[INFO] [stderr] warning: `parent` (lib test) generated 1 warning
[INFO] [stderr] warning: `inheritance` (lib test) generated 1 warning
[INFO] [stderr] warning: `pyclass` (lib test) generated 1 warning
[INFO] [stderr] warning: fields `name` and `price` are never read
[INFO] [stderr]  --> exercises/02_classes/03_setters/src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Item {
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stderr] 6 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 7 |     price: u64,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let area: u32 = todo!();
[INFO] [stderr]    |                         ------- any code following this expression is unreachable
[INFO] [stderr] 29 |         area
[INFO] [stderr]    |         ^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn compute_area<'py>(python: Python<'py>, shape: Bound<'py, Rectangle>) -> u32 {
[INFO] [stderr]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `area`
[INFO] [stderr]   --> exercises/03_concurrency/05_immutable_types/src/lib.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let area: u32 = todo!();
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_area`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `width` and `length` are never read
[INFO] [stderr]  --> exercises/03_concurrency/05_immutable_types/src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Rectangle {
[INFO] [stderr]   |        --------- fields in this struct
[INFO] [stderr] 5 |     width: u32,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 6 |     length: u32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `setters` (lib test) generated 1 warning
[INFO] [stderr] warning: `immutable` (lib test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arguments-696617c433a298e5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/constructors-bae640870d6e8ddd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exceptions-ae7038c960ba5fc8)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/functions-8af1ac5451f73f6d)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gil-6c9d6c227d365862)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gil2-424562eb5eae7545)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/immutable-db2311393c9143ab)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/inheritance-333ffb59c779b5ca)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/methods-cdacbc196ff252bd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minimize-a8012cb44be12e86)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modules-6f70286dc4f2cbd6)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/output-b51524608a3dd70a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro1-ba7d54d9a28260b9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro2-22ac1489ba63700b)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro3-f05bda073510a9f9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parent-d1a1f14edf804be9)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pyclass-76e53d4db73c9da8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/release-464f9a949473d35a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/setters-b39d6fd3b3379c12)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/setup-512fdad1ac5fda8e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/static_methods-32bc55e5d87c1c56)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/verifier-56d1cfd522f47e14)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/welcome-3339962222b502df)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_welcome ... FAILED
[INFO] [stdout] test tests::uv_is_installed_and_on_path ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_welcome stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_welcome' panicked at exercises/01_intro/00_welcome/src/lib.rs:28:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "I'm ready to start _!"
[INFO] [stdout]  right: "I'm ready to start the course!"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61eba3e758e2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61eba3e758e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61eba3e758e2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61eba3e758e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61eba3e9aa83 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61eba3e9aa83 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x61eba3e72873 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61eba3e72873 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61eba3e75732 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61eba3e76e4c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x61eba3e76ca2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x61eba3e3edc4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x61eba3e3edc4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61eba3e7782b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x61eba3e7782b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x61eba3e775fa - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x61eba3e75dd9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x61eba3e7728d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x61eba3e99600 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x61eba3e99867 - core::panicking::assert_failed_inner::h6a89cd271393c011
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x61eba3e05759 - core::panicking::assert_failed::h14af8c33026c508e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x61eba3e04e61 - welcome::tests::test_welcome::h44e8636e64167d32
[INFO] [stdout]                                at /opt/rustwide/workdir/exercises/01_intro/00_welcome/src/lib.rs:28:9
[INFO] [stdout]   22:     0x61eba3e04e61 - welcome::tests::test_welcome::{{closure}}::he46c6efb9b679e00
[INFO] [stdout]                                at /opt/rustwide/workdir/exercises/01_intro/00_welcome/src/lib.rs:27:22
[INFO] [stdout]   23:     0x61eba3e04e61 - core::ops::function::FnOnce::call_once::hb644d446dc5e0b2e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61eba3e444fb - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61eba3e444fb - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x61eba3e4373e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x61eba3e4373e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x61eba3e4373e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x61eba3e4373e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x61eba3e4373e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x61eba3e4373e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x61eba3e4373e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x61eba3e072e4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x61eba3e072e4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x61eba3e0ac8a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x61eba3e0ac8a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x61eba3e0ac8a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x61eba3e0ac8a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x61eba3e0ac8a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x61eba3e0ac8a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x61eba3e0ac8a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x61eba3e7a787 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x61eba3e7a787 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x61eba3e7a787 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7dadf3526aa4 - <unknown>
[INFO] [stdout]   46:     0x7dadf35b3a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::uv_is_installed_and_on_path stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::uv_is_installed_and_on_path' panicked at exercises/01_intro/00_welcome/src/lib.rs:36:14:
[INFO] [stdout] Failed to run uv: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61eba3e758e2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61eba3e758e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61eba3e758e2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61eba3e758e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61eba3e9aa83 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61eba3e9aa83 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x61eba3e72873 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61eba3e72873 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61eba3e75732 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61eba3e76e4c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x61eba3e76ca2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x61eba3e3edc4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x61eba3e3edc4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61eba3e7782b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x61eba3e7782b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x61eba3e775fa - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x61eba3e75dd9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x61eba3e7728d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x61eba3e99600 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x61eba3e99976 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x61eba3e04d34 - core::result::Result<T,E>::expect::hb973d39ea810088a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x61eba3e04d34 - welcome::tests::uv_is_installed_and_on_path::hfaef237e3dd69aad
[INFO] [stdout]                                at /opt/rustwide/workdir/exercises/01_intro/00_welcome/src/lib.rs:36:14
[INFO] [stdout]   22:     0x61eba3e04d34 - welcome::tests::uv_is_installed_and_on_path::{{closure}}::h4f9a8de66b8150d1
[INFO] [stdout]                                at /opt/rustwide/workdir/exercises/01_intro/00_welcome/src/lib.rs:32:37
[INFO] [stdout]   23:     0x61eba3e04d34 - core::ops::function::FnOnce::call_once::h92cf0ca81aaabba4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61eba3e444fb - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61eba3e444fb - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x61eba3e4373e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x61eba3e4373e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x61eba3e4373e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x61eba3e4373e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x61eba3e4373e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x61eba3e4373e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x61eba3e4373e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x61eba3e072e4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x61eba3e072e4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x61eba3e0ac8a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x61eba3e0ac8a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x61eba3e0ac8a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x61eba3e0ac8a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x61eba3e0ac8a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x61eba3e0ac8a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x61eba3e0ac8a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x61eba3e7a787 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x61eba3e7a787 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x61eba3e7a787 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7dadf3526aa4 - <unknown>
[INFO] [stdout]   46:     0x7dadf35b3a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_welcome
[INFO] [stdout]     tests::uv_is_installed_and_on_path
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p welcome --lib`
[INFO] running `Command { std: "docker" "inspect" "c9de94ee37ab136bb33d7322b84442fe38d1d37bbddeb5bd322bc9f5f74bab91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9de94ee37ab136bb33d7322b84442fe38d1d37bbddeb5bd322bc9f5f74bab91", kill_on_drop: false }`
[INFO] [stdout] c9de94ee37ab136bb33d7322b84442fe38d1d37bbddeb5bd322bc9f5f74bab91
